81263312

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{733}}^1$

素因数の和:808

約数の個数: 60

約数和(自身を含む): 174887244

約数和(自身を除く): 93623932

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 169, 208, 328, 338, 533, 656, 676, 733, 1066, 1352, 1466, 2132, 2704, 2932, 4264, 5864, 6929, 8528, 9529, 11728, 13858, 19058, 27716, 30053, 38116, 55432, 60106, 76232, 110864, 120212, 123877, 152464, 240424, 247754, 390689, 480848, 495508, 781378, 991016, 1562756, 1982032, 3125512, 5078957, 6251024, 10157914, 20315828, 40631656, 81263312]

約数ペア:

[(1, 81263312), (2, 40631656), (4, 20315828), (8, 10157914), (13, 6251024), (16, 5078957), (26, 3125512), (41, 1982032), (52, 1562756), (82, 991016), (104, 781378), (164, 495508), (169, 480848), (208, 390689), (328, 247754), (338, 240424), (533, 152464), (656, 123877), (676, 120212), (733, 110864), (1066, 76232), (1352, 60106), (1466, 55432), (2132, 38116), (2704, 30053), (2932, 27716), (4264, 19058), (5864, 13858), (6929, 11728), (8528, 9529)]